WO2009126130A1 - Auto channel assignment for live productions - Google Patents

Auto channel assignment for live productions Download PDF

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Publication number
WO2009126130A1
WO2009126130A1 PCT/US2008/014004 US2008014004W WO2009126130A1 WO 2009126130 A1 WO2009126130 A1 WO 2009126130A1 US 2008014004 W US2008014004 W US 2008014004W WO 2009126130 A1 WO2009126130 A1 WO 2009126130A1
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WO
WIPO (PCT)
Prior art keywords
channel
assigned
channels
tme
auto
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PCT/US2008/014004
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French (fr)
Inventor
John R. Benson
Original Assignee
Thomson Licensing
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Publication date
Priority to US12391508P priority Critical
Priority to US61/123,915 priority
Application filed by Thomson Licensing filed Critical Thomson Licensing
Publication of WO2009126130A1 publication Critical patent/WO2009126130A1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/262Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects

Abstract

A method for auto channel assignment in a live television production system allows the user to assign physical play out channels to an auto pool of channels. The user need only create a single transition macro event (TME) template, which at the time of playout, causes the production system to assign an available channel from the auto pool of channels, without requiring any further user intervention.

Description

AUTO CHANNEL ASSIGNMENT FOR LIVE PRODUCTIONS

CROSS REFERENCE TO RELATED APPLICATIONS

[0001 ] This application claims priority under 35 U.S.C. 1 I 9(e) to U.S. Provisional Patent

Application Serial No. 61/123,915, filed 1 1 April 2008, the teachings of which are incorporated herein.

TECHNICAL FIELD

[0002] The present invention relates to television production. More particularly, it relates to audio channel assignment in television productions, such as. for example, live news production.

BACKGROUND ART

[0003] In television production, and in particular live news productions, the number of combinations of video, audio, effects and other devices needed to create the unique events that are required to create a TV news program can easily number in the thousands. [00041 The current operation of production systems, such as, for example, the IGNITE production system available from Thomson Grass Val ley, Jacksonville, Florida, requires the user to create multiple TME (Transition Macro Event) types and assign appropriate fields to match the play out channel that is assigned. For example if the user creates a SOT (Sound on Tape) TME, the user would have to create multiple SOT TMEs for each server play out channel. Those of skill in the art will recognize that various known acronyms used, such as for example, SOT (Sound on Tape), VO (Voice Over - meaning a live source will read over the clip.), NAT (Natural Sound - meaning that a live source will read over a clip that has natural sound under). There are other examples used, such as NAT/SOT (Natural Sound on a portion of the clip followed by sound full), PKG (Package - usually means a sound full tape that has the reporter track as well). [0005] The user would assign the various servers TME to the appropriate stories, alternating between server channels to avoid back-to-back channels. I f changes are made to the rundown order, then the user is required to manually manage the order of these TMEs. Because the clip identification (I D) is embedded into the TME (which is fixed to play out a set server channel) it is not easy to alter the play out channel from known productions systems such as IGNITE* (i.e.. one would have to open multiple pages and change the appropriate fields to reflect the new channel. If'one were to insert a Late Breaking news (LBN) item for the new server channel, one would not have the clip ID). Those of skill in the art will recognize that LBN constitutes is a TME. The production system Event Timeline is populated with production events by either opening a file or from entering TME/IQT data in the Newsroom Computer System (NCS). Thus, the LBN is TME that can be assigned to a button on the production system Graphical User Interface (GUI) or on a button on the production system automation panel. Note: TME & LBN are production macros, which consist of a group of actions that perform various production tasks, such as video switching, audio mixing, video server control, graphics control, camera control.

BRIEF SUMMARY OF THE INVENTION

[0006] According to one aspect of the present invention, auto channel assignment allows the user to assign physical play out channels to an auto pool. Using the capabilities of production system templates (e.g., automated production system templates); the user would create a single transition macro event (TME) template and, at the time of play out, an available channel will be assigned by the production system from the auto pool. [0007] According to an implementation the method for assigning channels in an automated production apparatus for use by devices within the automated production apparatus includes receiving a user designation of a device within the automated production apparatus, reserving a pool of channels for use by the user-designated device and automatically selecting from the pool of reserved channels a channel for use by the device in response to a control event causing execution of at least operation by the device.

[0008] Other aspects and features of the present principles will become apparent from the following detailed description considered in conjunction with the accompanying drawings. It is to be understood, however, that the drawings are designed solely for purposes of illustration and not as a definition of the limits of the present principles, for which reference should be made to the appended claims. It should be further understood that the drawings are not necessarily drawn to scale and that, unless otherwise indicated, they are merely intended to conceptually illustrate the structures and procedures described herein. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In the drawings wherein like reference numerals denote similar components throughout the views: [00010") Figure I depicts in How chart form the steps of a method for assigning channels according to an implementation of the present invention;

[0001 1 ] Figure 2 depicts a more detailed flow chart of the method for assigning channels according to an implementation of the present invention;

[00012] Figure 3 depicts in flow chart the steps executed by a production system for assignment of channels in accordance with a virtual device request, according to an implementation of the present invention;

[00013] Figure 4 depicts a more detailed flow chart of the production system assignment of channels in accordance with a virtual device load request, according to an implementation of the present invention; [00014J Figures 5a-5e depict examples of the sequence of events with a look ahead feature for sequential operations according to an implementation of the present invention;

[00015] Figures 6a-6c depict examples of the sequence of events with a look ahead feature for non-sequential operations according to an implementation of the present invention; and

[00016] Figures 7a-7b depict alternative examples of the sequence of events with a look ahead feature for non-sequential operations, according to an implementation of the present invention.

DETAILED DESCRIPTION

[00017] The present principles provide an auto channel assignment system that allows the user to designate a pool of channels associated with video and/or audio devices during TME creation or TME Template creation. Rather than assign a specific channel to a device or control event, the present principles assigns a pool of channels to the event and allows the production system handle the allocation of those channels in an efficient manner without any user intervention required. Disclosure an exemplary embodiment of the auto channel assignment technique of the present principles provided hereinafter will be made in the IGNITE® Production system available from Thomson Grass Valley, Inc. Those of skill in the art will recognize however that the IGN ITE & system is only one example of an automated television production system used in news automation environments, and that the principles of the present invention may be employed and integrated into other production systems without departing from the scope of this disclosure. Within the automated production system the term "IQ TME" is used to differentiate a standard TME with fixed data vs. a production event (IQT) that has expanded variable data that can be either manually changed or automatically changed during use.

[00018] Those of skill in the art will also recognize that a TME (Transition Macro

Event) is logical grouping of device or control events that are arranged on a timeline that, when executed, sends commands to various devices to produce the desired television production event. Among these events is the assignment of channels for playout.

[00019] Figure 1 shows an overview flow chart of a method 10 of the present principles for auto channel assignment. Initially, user designations are received 12, which include the designation of a pool of channels ( 14). Once all designations have been set, and during the live production, a production system (not shown) will automatically select ( 16) from the pool of designated channels without requiring any further user intervention. For a detailed description of such production system, refer to US Patent 7.302,644 incorporated by reference. In this manner, if changes are made to the order of playout during the production, the system will automatically select from a pool of designated channels. [00020] Running order changes can occur for many reasons. Generally this is an editorial decision by the show producer, but at times may need to be made by the director. Some examples of the reasons for running order changes could be as follows:

1. Producer may make changes to the running order, because a story or elements of the story are not ready;

2. Producer may make changes to the running order to adjust show timing (add and/or delete stories;

3. Producer may make changes to the running order for editorial reasons (they may want to change which anchor reads a story; and

4. A Director may change the running order, because one of the production elements is missing (missing clip, missing graphics, remote live shot not available.

[00021 ] When changes are made in the running order, there can be conflicts between production resources. For instance, assume a sequence of stories that each have a clip and server channel assigned (Page 1 - Ch A, Page 2 - Ch B, Page 3 Ch A), and the producer changes the running order to delete Page 2. Λ conflict will now exist with regard to the two stories (i.e., Page I & Page 3) back-to-back using the same playout Ch A. The Auto Channel assignment of the present principles will automatically re-assign the Page 3 to next available channel (the number of channels in the pool will determine what is considered the next available channel - e.g., in a two channel pool, then Ch B would be assigned).

[00022] Within a TME, multiple functions are affected by changing the server playout channel. The auto channel assignment of the present principles updates each area of these multiple functions (e.g., Control, Video, and Audio). For example, the device channel that the TME is controlling must be updated with the newly assigned channel. The video source associated with the device channel must be updated in the TME switching function. The audio source associated with the device channel must be updated in the TME audio function. [00023] In order to implement the above- identified method, the present principles utilizes the concept of virtual devices for enabling the user to create the TME and designate a pool of channels.

Create (Auto) Virtual Device

[00024] Initially, the production system provides the user with means to create a virtual device in the TME Template. This means is generally an interface (e.g., graphical user interface - GUI) during the creation of TME Template in the production system. A virtual device can be created for various machine types (e.g., Servers, Graphics, Audio Servers, and video switcher

Mix/Effects). In addition, those of skill in the art will recognize that multiple virtual device types may also be created for any of the exemplary machine types.

Virtual Device-Setup Channel Assignment

[00025] In addition to providing the user with means to create a virtual device, the TME

Template interface also provides the user with the ability to assign physical channels to the virtual device. In accordance with one implementation, in creating the virtual device and enabling the assignment of the physical channels to the created virtual device, the following criteria must be met:

[00026] I ) Channels must be of the same device type. Device type refers to the type of device as seen by the production system. For example, different graphics machines (with different manufactures) can be configured to be controlled by the production system. But while they are all graphics machines, they may not all have the same capabilities. So when a virtual channel pool is created in accordance with the present principles, the device type refers not to the brand of machine, but rather to the control functionality of the production system for that machine. For example, The Thomson Grass Valley IGNITE* production system can control a Deko graphics machine, available from Chyron of Hauppauge, New York with

Chyron Intelligent Interface, and it can control a Chyron Duet graphics device using the same protocol. These would be seen by the IGNITE® production system as a Graphic Device (with Chyron Intelligent Interface); [00027] 2) Devices must be of the same major type and have the same functionality to be assigned to a selected Virtual Device. For example one cannot assign a CG channel to a Video Server virtual device. (Note: This does not mean that they have to be the same device, but that they have the same functionality and that they can access the same media); [00028] 3) An (Auto) Virtual Device must have a minimum of two physical channels assigned or the (Auto) Virtual Device is considered inactive and the user is warned if the TME is recalled with this Virtual Device assigned;

[00029] 4) Only active (Auto) Virtual Devices will be selectable from the various production system property pages;

[00030] 5) Once a physical channel has been assigned to an (Auto) Virtual Device, it can not be assigned to another (Auto) Virtual Device; and [0003 1 ] 6) Once a physical channel has been assigned to an (Auto) Virtual Device, it is no longer listed as a selectable device in the machine control property page.

Support for Multiple Virtual Devices

[00032] As is often the case with live productions, there is a need to create multiple TMEs.

As such, and according to an implementation of the present principles, there will be a need to create multiple virtual devices. Sometimes, there may be a need to create multiple virtual devices of the same type (two virtual servers "AutoVRl " & "AutoVR2") or one can create multiple virtual devices of different types (one server 'ΑutoVR l "' and one graphic "AutoGfx l ''). For example, "AutoVR l " could have M-Series channels 1 , 2. 3 assigned to it, and "AutoVR2" could have channels 1 , 2, 3, 4 assigned to it.

[00033] Figure 2 shows a little more detailed method 20 according to an implementation of the present principles. During the user designation step (step 12 of Figure I ), the user creates the virtual device 22 for the respective machine type, and then during the designation of a pool of channels (step 14 of Figure I ), the user actually assigns the physical channels to the virtual device (step 24) based on the above-identified criteria. Once the virtual device is created, the user can save and/or name the same (step 26) for later loading during the execution of a TME during a television or news production.

(Auto) Virtual Device (Channel Availability)

[00034] As mentioned above, the production system must manage when a channel is in use and when a channel is available. This will require tracking when a media source is On-air (Video or Audio) and the event (TME) order in relationship to the timeline cursor.

[00035] According to an implementation and referring to the example in Figure 3, when the

(Auto) Virtual Device load request is encountered (32), the production system determines (34) if a channel is available from the pool, and if so, then loads the assigned media ID in the next available physical channel (36). That channel is now considered "In Use" and identified as such (38), and is no longer available in the pool of channels until it is "Free".

[00036] The channel is "In Use" until the timeline cursor enters another TME AND the physical channel video or audio is not "On Air". Note: due to transition times of video and audio, there may be occasions when a Virtual Device load is requested but the channel is not available (at step 34) until the end of a video or audio transition. In this event, the load request is cached (40) and acted on (44) when the channel becomes free (as long as the production system timeline cursor is still in that TME) during a determination of channel availability 42. If more load requests are made than are available from the pool of channels, then the user will be warned.

(Auto) Virtual Device (Channel Rotation)

[00037] Those of skill in the art will recognize that the production system must manage the physical channel rotation of each virtual device. Channels will be rotated in the order they are assigned to the virtual device. For example a virtual device 'ΑutoVR l " might have the following physical channels assigned: [00038] -AUTOVR l ;

[00039] Server O-Channel l ;

[00040] Server ()-Channel 2;

[00041 ] Server ()-Channel 3: and [000421 Server ()-Channel 4.

[00043J When the production system timeline cursor hits the left edge of the first virtual device load object (i.e.. the cursor hits the virtual device load request in the respective TME), then the first available physical channel is assigned. The production system will also load and assign available play out channels for media ID to the right of the system's timeline cursor. (Note: the user can define, at the system level, the maximum number of load commands to look ahead. The maximum number cannot exceed the (total # of channels - I ) that have been assigned to the Virtual Device). [00044] Referring to the method 50 shown in Figure 4, as the timeline cursor advances and encounters a virtual device load command (request) 32, it will determine if the media has already been loaded and a channel assigned (50), and if so, it will look ahead to load the next media ID (52) that has not been loaded (within the max limit) to the right of the production system timeline cursor. If the timeline cursor is moved to a Virtual Device load command/request (32) which media has not been loaded, then the production system will determine if a channel from the pool is available (34) and if so, will load the media and assign the next available physical channel (36) for that media ID and all media loads to the right of the production system timeline cursor (within the max limit). The remaining portion of Figure 4 is the same as that described above in Figure 3. [00045] Figures 5a-5e, 6a-6c and 7a-7b show various examples of the "look ahead" aspect of the present principles. Figures 5a-5e shows various examples of a Sequence of Events "Look Ahead'" load wherein a Sequential operation with the maximum look ahead is set to two (2). Figures 6a-6c show some examples of a Sequence of Events "Look Ahead'* load associated with a Non-Sequential operation. Figures 7a-7c show alternative events for the examples shown in Figure 6. [00046] Figures 5a-5e illustrate the Auto-Channel assignment and Look Ahead functionality using sequential sequence of events. Each event represents what happens when the production system event timeline cursor advances to the next TME in a sequential order. Figure 5a, event 1 , shows 7 TMEs on the production system event timeline. The TME names are: [00047] SOT ( 1 st instance ofthe "Sound on Tape" TME);

[00048] VO ( 1 st instance of the "Voice Over" TME);

[00049] CAM MCU ( 1 st instance of the "Camera" TME);

[00050] SOT (2nd instance of the "Sound on Tape" TME); [0005 11 CAM MCU (2nd instance of the ••Camera" TME):

100052] VO (2nd instance of the "Voice Over" TM E); and

[00053 J SOT (3rd instance of the "Sound on Tape" TME).

5 [00054] As shown, five (5) of the seven (7) TMEs have an Auto-Channel virtually assigned in accordance with an exemplary implementation of the present principles (e.g., 3- SOT, 2-VO). Each of the five Auto-Channel TMEs contains objects that control Video Switching, Audio Mixing, and Machine Control, which represent the three functions that are adjusted when a channel is assigned with the Auto-channel feature of the present principles.

I O [00055] The starting channel assignment of the server channels assigned by the Auto- channel feature of the present principles for each of the five TMEs is listed above the TME. Note, when a channel is assigned by the auto-channel feature of the present principles, the " following events occur: [00056] 1 ) assignment of the channel to control to the Machine Control;

15 [00057] 2) assignment of the associated Video source for the assigned channel to any field within a Video Switcher Control that has the Auto-channel feature; and [00058] 3) assignment of the associated Audio source for the assigned channel to any audio action within the Audio Control that has the Auto-channel feature. [00059] SOT ( I st instance) - Server Channel I is assigned to the two (2) Machine 0 Control Objects for Load & Play. Channel l 's associated video source is assigned to the Video Switcher Control - P/P Preview Bus, and channel l 's associated audio source is assigned to the Audio Control - Full Action.

[00060] VO (1 st instance) -Server Channel 2 is assigned to the two (2) Machine Control

Objects for Load & Play. Channel 2"s associated video source is assigned to the Video 5 Switcher Control - P/P Preview Bus. and channel 2"s associated audio source is assigned to the Audio Control - Under Action (which brings the clip sound at a designated position to have a level lower than the sound full).

[00061 ] SOT (2nd instance) - Channel 3is assigned to the two (2) Machine Control

Objects for Load & Play. Channel 3's associated video source is assigned to the Video0 Switcher Control - P/P Preview Bus, and channel 3's associated audio source is assigned to the Audio Control - Full Action. [00062 | VO (2nd instance) - is unassigned. as the Max Look Ahead is set to two (2) - which means auto-channel will only assign a channel the next two TMEs past the current TME (defined by the current location of the production system Event Timeline Cursor). [00063 ) SOT (3ld instance) - is unassigned, as the Max Look Ahead is set to two (2). [00064] The description to the right of Event I list the channels assigned to the auto- channel pool and their current assignment state (e.g.. in Event 1 , Channels 1 , 2, and 3 are assigned to TME, and Channel 4 is not assigned.)

[00065] Figure 5b (Event 2) shows the same 7 TMEs, five of which are auto-channel

TMEs as the previous event and what happens when the production system Event Timeline Cursor advances to the next TME - (VO I st instance).

[00066] SOT ( 1 st instance) - is on-the air with Server Channel 1 ;

[00067] VO ( I st instance) - loads the assigned clip into Server Channel 2;

[00068] SOT (2nd instance) - Server Channel 3 is still assigned:

[00069] VO (2nd instance) - Server Channel 4 is assigned; and [00070] SOT (3rd instance) - is unassigned.

[00071 ] The description to the right of Event 2 lists the channels assigned to the auto- channel poo! and their current assignment state (e.g., in Event 2, All channels are assigned to TME). [00072] Figure 5c (Event 3) shows the same 7 TMEs as the previous event, and what happens when the production system Event Timeline Cursor advances to the next TME (Camera Master Control Unit (CAM MCU) 1 st instance). [00073] SOT ( 1 st instance) is off air, which frees up Server channel 1 ;

[00074] VO ( I st instance) - is on air with Server Channel 2; [00075] SOT (2nd instance) - Server Channel 3 is still assigned;

[00076] VO (2nd instance) - Server Channel 4 is still assigned; and

[00077] SOT (3rd instance) - is unassigned, as the Max Look Ahead is two (2) and this

TME is the third auto-channel TME to the right of the current TME (based on the current location of the Ignite Event Timeline Cursor).

[00078] The description to the right of Event 3 lists the channels assigned to the auto- channel pool and their current assignment state. (In Event 3, Channels 2, 3, 4 are assigned to TME, and channel 1 is available). - I I -

[00079] Figure 5d (Event 4) shows the same 7 TME as the previous event, and what happens when the production system Event Timeline Cursor advances to the next TME (SOT 2nd instance).

[00080J SOT ( I st instance) is off air; [00081 ] VO ( 1 st instance) - is off air, which frees up Server channel 2;

[00082] SOT (2nd instance) - the assigned clip is loaded in Server Channel 3;

[00083] VO (2nd instance) - Server Channel 4 is still assigned; and

[00084] SOT (3rd instance) - Server Channel 1 is assigned.

[00085] The description to the right of Event 4 list the channels assigned to the auto- channel pool and their current assignment state (e.g., in Event 4, Channels 1 , 3, 4 are assigned to TME, and channel 2 is available).

[00086] Figure 5e (Event 5) shows the same 7 TME as the previous event, and what happens when the production system Event Timeline Cursor advances to the next TME (CAM MCU 2nd instance):

[00087] SOT ( l st instance) is off air;

[00088] VO ( I st instance) - is off air;

[00089] SOT (2nd instance) - Server Channel 3 is on air;

[00090] VO (2nd instance) - Server Channel 4 is still assigned; and [00091 ] SOT (3rd instance) - Server Channel l is still assigned.

The description to the right of Event 5 list the channels assigned to the auto-channel pool and their current assignment state (e.g., in Event 5, Channels I , 3, 4 are assigned to TME, and channel 2 is available). [00092] Figures 6a-6c illustrate the Auto-channel assignment and Look Ahead functionality using a non-sequential sequence of events. Each event represents what happens when the production system Event Timeline Cursor advances to the next TME or jumps out of

TME sequential order.

[00093] Figures 6a and 6b are the same TMEs as shown in Figures 5a and 5b, for Event I and Event 2, respectively (with the same rules of channel assignment and operation).

[00094] Figure 6c shows Event 3 which shows a break in executing TME and skipping to SOT (2nd instance):

[00095] SOT ( 1 st instance) is on air; [00096] VO ( 1 st instance) - is off air and to the left of the Ignite Event Timeline Cursor, which frees up Server Channel 2;

[00097] SOT (2nd instance) - Server Channel 3 is still assigned;

[00098] VO (2nd instance) - Server Channel 4 is still assigned; and [00099] SOT (3rd instance) - is assigned Server Channel 2.

[000100] The description to the right of Event 3 lists the channels assigned to the auto- channel pool and their current assignment state (e.g., in Event 3, All Server Channels are assigned to a TME).

[000101 ] Figure 7 illustrates the Auto-channel assignment and Look Ahead functionality using a non-sequential sequence of events for alternate Events 3 and 4. Each event represents what happens when the production system Event Timeline Cursor advances to the next TME or jumps out of TME sequential order.

[000102] Figures 7a and 7b show the same TME as shown in Figure 6c, but shows a different version of skipping (with the same rules of channel assignment and operation). [000103] Figure 7a (Alternate Event 3) shows a break in executing TME and skipping to SOT (3rd instance):

[000104] SOT ( l st instance) is on air; [000105] VO ( 1 st instance) - is off air and to the left of the Ignite Event Timeline Cursor, which frees up Server Channel 2; [000106] SOT (2nd instance) - is off air and to the left of the Ignite Event Timeline

Cursor, which frees up Server Channel 3; [000107] VO (2nd instance) - is off air and to the left of the Ignite Event Timeline

Cursor, which frees up Server Channel 4; and [000108] SOT (3rd instance) - is assigned Server Channel 2.

[000109] The description to the right of Event 3 lists the channels assigned to the auto- channel pool and their current assignment state (In Event 3, Channels I , 2 are assigned to TME, and Channels 3. 4 are not assigned).

[0001 10] Figure 7b (Alternate Event 4) shows a break in executing TME and skipping back to VO ( I st instance): [0001 1 1] SOT ( I st instance) is on air: [0001 12] VO ( l st instance) - Server Channel 2 is assigned; [0001 13] SOT (2nd instance) - Server Channel 3 is assigned;

[0001 14) VO (2nd instance) - Server Channel 4 is assigned; and

[0001 15] SOT (3rd instance) - is unassigned, as the Max Look Ahead is set to (2).

[0001 16] The description to the right of Event 4 lists the channels assigned to the auto- channel pool and their current assignment state (e.g., in Event 4, All Channels are assigned to TME).

Additional Features with production system Templates

[0001 17] According to another implementation, the user can create global tables within a Template that can link the auto channel to any associated properties on other devices. For example, a table can be set up to link a video source with an associated audio source so that when the channel is assigned by the production system, the audio will follow as well. [0001 18] The user will have the option to bring any audio sources associated with the pooled video sources that are NOT in use, to off. This is to facilitate the switching of auto channel video sources where the user may have other non-associated audio in a TME that they wish to keep on air. This would most commonly be used in a VO-SOT-VO-SOT situation where an anchor microphone needs to be kept on air while the SOT would bring on air and off air the appropriate audio sources based on the assigned channel.

[0001 19] It is to be understood that the present principles may be implemented in various forms of hardware, software, firmware, special purpose processors, or a combination thereof. Preferably, the present principles may be implemented as a combination of hardware and software. Moreover, the software is preferably implemented as an application program tangibly embodied on a program storage device. The application program may be uploaded to, and executed by, a machine comprising any suitable architecture. Preferably, the machine is implemented on a computer platform having hardware such as one or more central processing units (CPU), a random access memory (RAM), and input/output (I/O) interface(s). The computer platform also includes an operating system and microinstruction code. The various processes and functions described herein may either be part of the microinstruction code or part of the application program (or a combination thereof) that is executed via the operating system. In addition, various other peripheral devices may be connected to the computer platform such as an additional data storage device and a printing device. [000120] It is to be further understood that, because some of the constituent system components and method steps depicted in the accompanying Figures are preferably implemented in software, the actual connections between the system components (or the process steps) may differ depending upon the manner in which the present principles is programmed. Given the teachings herein, one of ordinary skill in the related art will be able to contemplate these and similar implementations or configurations of the present principles. [000121 ] While there have been shown, described and pointed out fundamental novel features of the present principles, it will be understood that various omissions, substitutions and changes in the form and details of the methods described and devices illustrated, and in their operation, may be made by those skilled in the art without departing from the spirit of the same. For example, it is expressly intended that all combinations of those elements and/or method steps which perform substantially the same function in substantially the same way to achieve the same results are within the scope of the present principles. Moreover, it should be recognized that structures and/or elements and/or method steps shown and/or described in connection with any disclosed form or implementation of the present principles may be incorporated in any other disclosed, described or suggested form or implementation as a general matter of design choice. It is the intention, therefore, to be limited only as indicated by the scope of the claims appended hereto.

Claims

1. A method for assigning channels in an automated production apparatus, comprising the steps of: receiving a user designation of a device within the automated production apparatus; reserving a pool of channels for use by the user-designated device; automatically selecting from the pool of reserved channels a channel for use by the device in response to a control event causing execution of at least operation by the device.
2. The method according to claim 1 , wherein said receiving step further comprises creating a virtual device for a machine type in the automated production apparatus.
3. The method according to claim 2, wherein said reserving step further comprises: assigning physical channels to the virtual device based on at least one auto channel assignment criteria; and saving and naming a transition macro event (TME) corresponding to the created virtual device for subsequent loading into the automated production system during a production.
4. The method according to claim 3, wherein said at least one auto channel assignment criteria comprises the physical channels be of the same device type.
5. The method according to claim 3, wherein said at least one auto channel assignment criteria comprises that the devices be of the same major type and have the same functionality.
6. The method according to claim 3, wherein said at least one auto channel assignment criteria requires a minimum of two physical channels must be assigned.
7. The method according to claim 1 , wherein said automatically selecting further comprises: determining whether media has been loaded and a channel assigned in response to a device load request; and looking ahead to next media IDs when media has already been loaded and a channel has been assigned.
PCT/US2008/014004 2008-04-11 2008-12-23 Auto channel assignment for live productions WO2009126130A1 (en)

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